<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>使用字符来定义和创建js对象</title>
</head>

<body>
    <p>创建 JavaScript 对象。</p>
    <p id="demo"></p>
    <script>
     var person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};
        document.getElementById("demo").innerHTML =
            person.firstName + " 现在 " + person.age + " 岁.";
    </script>
</body>

</html>